1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_OBJECT_LOCK_H_
18 #define ART_RUNTIME_OBJECT_LOCK_H_
19 
20 #include "base/macros.h"
21 #include "base/mutex.h"
22 #include "handle.h"
23 
24 namespace art {
25 
26 class Thread;
27 
28 template <typename T>
29 class ObjectLock {
30  public:
31   ObjectLock(Thread* self, Handle<T> object) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
32 
33   ~ObjectLock() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
34 
35   void WaitIgnoringInterrupts() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
36 
37   void Notify() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
38 
39   void NotifyAll() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
40 
41  private:
42   Thread* const self_;
43   Handle<T> const obj_;
44 
45   DISALLOW_COPY_AND_ASSIGN(ObjectLock);
46 };
47 
48 }  // namespace art
49 
50 #endif  // ART_RUNTIME_OBJECT_LOCK_H_
51